Cast arm for light fixture



FIG. 1 is a perspective front view of the cast arm for light fixture;

FIG. 2 is a front view of the cast arm for light fixture; the back view is an identical mirror image;

FIG. 3 is a top view of the cast arm for light fixture;

FIG. 4 is a left view of the cast arm for light fixture; and,

FIG. 5 is a bottom view of the cast arm for light fixture. 

The ornamental design for a cast arm for light fixture, as shown and described. 